Display screen or portion thereof with icon



FIG. 1 is the front image for a display screen or portion thereof with icon showing our new design; and,

FIG. 2 is the front image for a display screen or portion thereof with icon showing an alternative embodiment of our new design.

The broken lines in the figures illustrate the display screen in which the claimed design is embodied. Alternatively the broken lines in the figures illustrate the portion of the display screen in which the claimed design is embodied. The broken showing of the portion of the display screen illustrates the environment of the claimed design and forms no part thereof. 

CLAIM The ornamental design for a display screen or portion thereof with icon, as shown and described. 